163316532 has 48 divisors (see below), whose sum is σ = 390422592. Its totient is φ = 53114880.

The previous prime is 163316477. The next prime is 163316567. The reversal of 163316532 is 235613361.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 163316532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133588 + ... + 134804.

It is an arithmetic number, because the mean of its divisors is an integer number (8133804).

Almost surely, 2^163316532 is an apocalyptic number.

163316532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163316532 is an abundant number, since it is smaller than the sum of its proper divisors (227106060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163316532 is a wasteful number, since it uses less digits than its factorization.

163316532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 1486 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 163316532 is about 12779.5356723161. The cubic root of 163316532 is about 546.6089222833.

Adding to 163316532 its reverse (235613361), we get a palindrome (398929893).

The spelling of 163316532 in words is "one hundred sixty-three million, three hundred sixteen thousand, five hundred thirty-two".